<template>
  <div class="app-container">
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Plus"
          @click="handleAdd"
          v-hasPermi="['basic:link:add']"
        >新增</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="linkList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="文字" align="center" prop="text" :show-overflow-tooltip="true" />
      <el-table-column label="链接" align="center" prop="url" :show-overflow-tooltip="true">
        <template #default="scope">
          <el-link :href="scope.row.url" target="_blank" :underline="false" type="primary">
            {{ scope.row.url }}
          </el-link>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" width="150">
        <template #default="scope">
          <el-button link type="primary" @click="handleUpdate(scope.row)" v-hasPermi="['basic:link:edit']">编辑</el-button>
          <el-button link type="primary" @click="handleDelete(scope.row)" v-hasPermi="['basic:link:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改友情链接对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="linkRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="文字" prop="text">
          <el-input v-model="form.text" placeholder="请输入文字" />
        </el-form-item>
        <el-form-item label="链接" prop="url">
          <el-input v-model="form.url" placeholder="请输入链接（如：https://example.com）" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Link">
import { listLink, getLink, delLink, addLink, updateLink } from "@/api/basic/link";
import { getCurrentInstance, ref, reactive, toRefs } from 'vue';

const { proxy } = getCurrentInstance();

const linkList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(false);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10
  },
  rules: {
    text: [
      { required: true, message: "文字不能为空", trigger: "blur" }
    ],
    url: [
      { required: true, message: "链接不能为空", trigger: "blur" }
    ]
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询友情链接列表 */
function getList() {
  loading.value = true;
  listLink(queryParams.value).then(response => {
    linkList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    linkId: null,
    text: null,
    url: null
  };
  proxy.resetForm("linkRef");
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.linkId);
  single.value = selection.length !== 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加友情链接";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _linkId = row.linkId;
  getLink(_linkId).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改友情链接";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["linkRef"].validate(valid => {
    if (valid) {
      if (form.value.linkId != null) {
        updateLink(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addLink(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const linkIds = row.linkId || ids.value;
  proxy.$modal.confirm('是否确认删除友情链接编号为"' + linkIds + '"的数据项？').then(function() {
    return delLink(linkIds);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

getList();
</script>